Oolong tea helps to promote fat metabolism and reduce fat accumulation in the body. The following foods can increase the weight loss effect:

1. Lemon: Citric acid in lemon can accelerate metabolism, promote detoxification and increase satiety.

2. Honey: Honey is rich in enzymes and minerals, which can promote intestinal peristalsis, increase metabolism and relieve constipation.

3. Oranges: Citric acid contained in oranges can promote fat metabolism, lower cholesterol and improve immunity.

4. Green vegetables: Fiber and vitamins in green vegetables can increase satiety, help digestion and reduce body fat content.

5. Lean meat and fish: Lean meat and fish are rich in protein, which can provide energy and satiety and help to reduce body fat.